Cook County Value

9120 121st St Palos Park, IL 60464

5 bed / 2 bath, 3,823 sqft, built 1955. Assessor market value for 2026: $820,000.

Cook County account 23272010080000

Assessor market value
$820,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,823 sqft
$214 per sqft
Year built
1955
Average quality

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 60464 and CCAO Appraisal Area 30071 assessment pages.

Local guide: Palos Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Palos have closed (Assessor , Board of Review ). 2027 notices usually start in March.

Deadline rule: Set by township: file with the Assessor by your township's last file date, and with the Board of Review while your township is open there. Evidence is reviewed by the Cook County Assessor's Office or, in a separate appeal, by the Cook County Board of Review. Dates checked against the official source.

Assessment snapshot

These public CCAO records highlight what may be worth checking before you file.

  • Assessment changeThe assessor market value increased 27.9% from $641,180 in 2025 to $820,000 in 2026.
  • Assessor market value per square footThe current public record shows about $214 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 60464.
  • Neighborhood value signalAmong 448 residential records in the same neighborhood, the average assessor market value is about $258 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +24.3% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 9114 125th St Palos Park, IL 60464
    3,701 sqft | $197/sqft | built 1956 | Similar size (3,701 vs 3,823 sqft); Similar age (1956 vs 1955); Lot 12% smaller (39,514 vs 44,975 sqft)
    $730,000
  • 8703 123rd St Palos Park, IL 60464
    3,893 sqft | $218/sqft | built 1954 | Similar size (3,893 vs 3,823 sqft); Similar age (1954 vs 1955); Lot 13% smaller (39,200 vs 44,975 sqft)
    $850,000
  • 12518 S Pawnee Rd Palos Park, IL 60464
    3,993 sqft | $228/sqft | built 1949 | Similar size (3,993 vs 3,823 sqft); Similar lot size (43,107 vs 44,975 sqft); Same quality (Average)
    $910,000
  • 11950 92nd Ave Palos Park, IL 60464
    3,837 sqft | $222/sqft | built 1955 | Similar size (3,837 vs 3,823 sqft); Built same year (1955); Same quality (Average)
    $850,000
  • 9104 125th St Palos Park, IL 60464
    3,608 sqft | $208/sqft | built 1940 | 6% smaller (3,608 vs 3,823 sqft); Similar lot size (45,654 vs 44,975 sqft); Same quality (Average)
    $750,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 27.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$820,000+$178,820+27.9%
2025$641,180$00.0%
2024$641,180−$28,820−4.3%
2023$670,000+$262,280+64.3%
2022$407,720$00.0%
2021$407,720+$100.0%
2020$407,710——
6-year total+$412,290+101.1%